Home / 112,412,826.20-155,082,197.84-75,255,078.12

Finding the Fourth Proportional to 112,412,826.20, 155,082,197.84 and 75,255,078.12

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Solution

The fourth proportional to 112,412,826.20, 155,082,197.84 and 75,255,078.12 is: 103,820,207.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,412,826.20 : 155,082,197.84 = 75,255,078.12 : x
  2. Step 2: Convert to fraction form
    112,412,826.20/155,082,197.84 = 75,255,078.12/x
  3. Step 3: Cross multiply
    112,412,826.20x = 155,082,197.84 × 75,255,078.12
  4. Step 4: Simplify right side
    112,412,826.20x = 11,670,722,913,470,496
  5. Step 5: Solve for x
    x = 11,670,722,913,470,496/112,412,826.20
  6. Step 6: Final answer
    x = 103,820,207.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.